Home / 998,967.33-1,378,590.03-569,238.30

Finding the Fourth Proportional to 998,967.33, 1,378,590.03 and 569,238.30

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Solution

The fourth proportional to 998,967.33, 1,378,590.03 and 569,238.30 is: 785,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,967.33 : 1,378,590.03 = 569,238.30 : x
  2. Step 2: Convert to fraction form
    998,967.33/1,378,590.03 = 569,238.30/x
  3. Step 3: Cross multiply
    998,967.33x = 1,378,590.03 × 569,238.30
  4. Step 4: Simplify right side
    998,967.33x = 784,746,245,074.15
  5. Step 5: Solve for x
    x = 784,746,245,074.15/998,967.33
  6. Step 6: Final answer
    x = 785,557.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.